Injectors are leaking too much fuel back to the tank, it's an extremely common issue on K9K engines usings Delphi and Siemens/Continental fuel injectors.
Pros: common issue on K9K engines
Cons: injectors are expensive
Reviews of DELPHI parts For Business
Average Rating
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The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
3.8
Manufacturer Ranking
#104
150
Spare Parts
20
Country
USA
Website
delphi.com
Spare Parts
Comparisons
it's a great aftermarket part(Rockauto). The wire harness so far for me hasn't given me major issues. I will say make sure the mechanic or you know how to install that correctly. The reason why I state this the last fuel pump job I had done my mechanic did make a mistake and wired it wrong causing a wire burn later on. Luckily he's not a asshole and fixed it for free since it was his fault. Traffic here is ass so the pump does get it's fair Share of work.
Pros: great aftermarket part, harness no issues, handles heavy traffic
Cons: past wiring mistake
Vehicle:
Dodge Charger
I've used Delphi plenty of times and I'm always impressed by their quality for the money. Delphi should be fine for the Sedan.
Pros: good quality for money
Vehicle:
Mazda 3
Mine went out at 270,00 on my 2002 Tahoe oem Delphi
Pros: long lifespan
Vehicle:
Chevrolet Tahoe
Mileage: 434522 km
installed a delphi, the 5.3 starts on 1st crank everytime now.
Pros: starts on 1st crank
It was indeed my fuel pump, I tried changing the filter first and replacing some dry rotted evap hoses but that only gave me better gas milage. After pulling the old fuel pump the filter that was attached to it was filled to the brim and the pump housing had trash all over the bottom. I likely could've cleaned it out and replaced the filter but id already purchased a new one and figured I might as well swap them. I used the Delphi pump from autozone, and it was much easier than expecting after watching a few youtube videos on it. now I've gotta do it all again anyway because I installed the floater wrong and my gas needle is stuck, oh well thats what I get for rushing to do it before work.
Pros: resolved power loss, easy installation
Cons: floater installed incorrectly
Vehicle:
Ford Mustang
I wound up completely rebuilding everything but the long block and transmission. I would recommend fuel pump (Delphi is the best option)
Pros: best option
Vehicle:
Chevrolet Suburban
Replaced with Delphi coils and it hardly bucks, still does but not as bad as oem once in a blue moon for a half a sec.
Pros: hardly bucks
Cons: still bucks
Vehicle:
Hyundai Elantra
The auto shop found out what the problem was as they had replaced two of the ignition coils with OEM and two from a company that produced the ignition coils for Mazda. The two from the company (Delphi) went bad. I have to use only parts from Mazda.
Cons: went bad
Vehicle:
Mazda
Bought a Delphi knock sensor in late 2023 to replace failed stock sensor my 2004 Honda Element. I assumed Delphi was a trusted brand. The sensor did not solve the ECU code, even after clearing the code several times, and reseting the ECU. The CEL would reappear immediately or within driving a half mile. Assuming is was a hard to find wiring issue, I drove the vehicle with the Check Engine Light on for a year and a half. Recently, a 26-year Honda/Acura mechanic told me the 2003 and 2004 Elements are famous for failed knock sensors and I should use a genuine Honda part (from junkyard on 2005-later engine) or new from dealer. Skeptical, I bit the bullet and paid the price for the genuine Honda sensor. Cleared the CEL, installed the sensor, and have now driven over 600 miles with no sign of bad knock sensor. Lesson learned.
Pros: genuine Honda sensor worked
Cons: Delphi sensor failed
Vehicle:
Honda Element
Mileage: 965 km
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